Individual Calculations August 2017
 Mukul Aldana, Daniela Maria  Total change: -26.40  Rating chartPersonal card
 Panamerican Youth Championship 2017 Girls U-12 San Jose CRC 2017-07-01
 1475 1334 1.00 5 -0.66 40 -26.40 
  Miyasaka, Julia K 1599 USA0.001-0.1840-7.20 
  Figueroa Bernal, Julia Dennis wc1660 CHI0.001-0.1340-5.20 
  Nguyen, Anh Nhu wc1494 USA0.5010.21408.40 
  Yellamraju, Ambica wc1478 USA0.001-0.3140-12.40 
  Solano Saltachin, Ruth 1142 CRC0.501-0.2540-10.00 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)


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